_spf.domains.whc.ca has no NS records.
NS records for this zone are defined at whc.ca.
NS records for this zone are defined at whc.ca.
Question and response
Question
dig _spf.domains.whc.ca. NS
Answer
The response has no answer records.
Authority
whc.ca. 1800 SOA coleman.ns.cloudflare.com. dns.cloudflare.com. 2398651720 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0